13611343 has 2 divisors, whose sum is σ = 13611344. Its totient is φ = 13611342.

The previous prime is 13611337. The next prime is 13611371. The reversal of 13611343 is 34311631.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34311631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13611343 - 2¹³ = 13603151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13611313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6805671 + 6805672.

It is an arithmetic number, because the mean of its divisors is an integer number (6805672).

Almost surely, 2^13611343 is an apocalyptic number.

13611343 is a deficient number, since it is larger than the sum of its proper divisors (1).

13611343 is an equidigital number, since it uses as much as digits as its factorization.

13611343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 648, while the sum is 22.

The square root of 13611343 is about 3689.3553637458. The cubic root of 13611343 is about 238.7629811203.

Adding to 13611343 its reverse (34311631), we get a palindrome (47922974).

It can be divided in two parts, 1361 and 1343, that added together give a square (2704 = 52²).

The spelling of 13611343 in words is "thirteen million, six hundred eleven thousand, three hundred forty-three".